Bacitracin zinc ointment is a medication that is used to prevent minor infection on the skin caused by burns, small cuts or scrapes, as stated by WebMD. It is an antibiotic and works by inhibiting the growth of bacteria on the affected areas.
It is important to note that this drug only works for bacterial infections and not fungal or viral infections, as stated by WebMD. The drug should not be used on severe skin conditions before talking to a doctor. Bacitracin should be used 1 to 3 times a day by applying a thin layer on the affected area. A person may then cover the affected area with a sterile bandage.